John Michell (1724–93) was a renowned English natural philosopher, astronomer and geologist. Originally published in 1918, this book presents a concise study of Michell's life and achievements, incorporating discussion of his contributions to geology, physics and astronomy. The text was written by Scottish geologist Archibald Geikie (1835–1924), following researches among the archives of the Royal Society and its dining club. This is a highly readable book that will be of value to anyone with an interest in Michell and his scientific achievements.